systemair DVG EC F400 Roof Fans User Manual

systemair DVG EC F400 Roof Fans

Introduction

Product description

This product is a roof fan for normal ventilation, smoke and heat extraction. The product has an EC motor, a safety switch, and a casing with integrated bird protection, made from seawater resistant aluminium.
DVG-H has horizontal air exhaust.
DVG-V has vertical air exhaust.
All DVG EC fans can communicate via MODBUS.
DVG EC size 350-450 have a swing-out function on the casing for easy access to impeller.
The product is not supplied with a speed control or installation equipment, these parts are available as accessories.

Intended use

The product is used for transportation of clean or contaminated air with temperatures from -20 to 120 °C in continuous operation, and 95% air humidity. Ambient temperature -20 to 70 °C.
The product is intended for installation in outdoor environments on rooftops, connected to a duct system.

The product can also be used for exhaust of smoke and hot gases in the event of fire, and can resist temperatures up to a maximum of 400 °C for 120 minutes. If the fan is used for exhaust of smoke or hot gases, the fan must be replaced.
DVG-H with horizontal outlet is intended for installation on roofs and has snow load classification SL1000.

Note :
Make sure that the height of the roof base is applicable

DVG-V with vertical outlet is intended for installation on the roofs and has snow load classification SL 0.
The product is not applicable for transportation of air that contains explosive, flammable or aggressive media. The product is not applicable for locations where there is a risk of explosion.

Document description

This document contains instructions for installation, operation and maintenance of the product. The procedures must bed one by approved personnel only.
Speak to Systemair for more information on how to install the product in different installation locations.

Product overview

1. Fan impeller
2. Service switch
3. Name plate
4. Casing
5. Base plate
6. Lifting eye
7. Vertical outlet x2 (DVG-V)
8. DVG-H
9. Warnings
10. Motor
11. Controller
12. Swing out bar (size 355 and 450)
13. Connection for differential pressure measurement
    (if ordered)
    Wiring diagram

Name plate

1. Manufacturer, product description

2. Type designation: Product name. Refer to 1.5.1 Type
   designation page 2.

3. Item number

4. Serial number, year of production

5. Connection: voltage, V; frequency, Hz

6. Input power, kW

7. Nominal motor power, kW

8. Current, A

9. RPM (min-1)

10. Max. airflow (m3 /h)

11. Weight, kg

12. Motor IP class, insulation class

13. Fire classification; snow load

14. Application; response delay Transportation air temperature (°C)

15. Manufacturer; rotation direction arrow

16. Certifications

17. Outlet

18. Production address

Note :
The data on the name plate apply to “standard air” that is specified in the standard ISO 5801.

Type designation

electronically commuted,

1-phase, 230 V

| EC:

electronically commuted,

1-phase, 230 V

EC:

electronically commuted, 3–phase, 400 V

| EC:

electronically commuted, 3–phase, 400 V

Product liability

Systemair is not liable for damages that the product causes in these conditions:

• The product is incorrectly installed, operated or maintained.
• The product is repaired with parts that are not original spare parts from Systemair.
• The product is used together with accessories that are not original accessories from Systemair.
• The product is used without motor protection.

Safety

Safety definitions

Warnings, cautions and notes are used to point out specially important parts of the manual.

Warning
If you do not obey these instructions, there is a risk of death or injury.

Caution
If you do not obey these instructions, there is a risk of damage to the product, other materials or the adjacent area.

Note :
Information that is necessary in a given situation.

Safety instructions

Warning
Read the warning instructions that follow before you do work on the product.

• Read this manual and make sure that you understand the instructions before you do work on the product.
• Obey local conditions and laws.
• The ventilation contractor and the operator are responsible for correct installation and intended use.
• Keep this manual at the location of the product.
• Do not install or operate the product if it is defective.
• Do not remove or disconnect safety devices.
• Make sure that you can read all warning signs and labels on the product when it is installed. Replace labels that have damage.
• Only permit approved personnel to work on the product and to be in the adjacent area during all work on the product.
• Make sure that you know how to stop the product quickly in an emergency.
• Use applicable safety devices and personal protective equipment during all work on the product.
• Before you do work on the product, stop the product and wait until the fan impeller stops. Make sure that there is no voltage on the motor terminals.
• If the maintenance is not correctly and regularly done, there is risk of injury and damage to the product.
• Only do the maintenance as given in this manual. Speak to Systemair technical support if other servicing is necessary.
• Always use spare parts from Systemair.
• Sound levels exceeding 70 dB(A) may occur depending on model and size. Visit www.systemair.com for more detailed information about your product

Personal protective equipment

Use personal protective equipment during all work on the product.

• Approved eye protection
• Approved protective helmet
• Approved hearing protection
• Approved protective gloves
• Approved protective shoes
• Approved work clothing

Transportation and storage

Warning
Make sure that the product does not become damaged or wet during transportation. A damaged or wet product can cause fire or electric shock.

• Before you move the product to the installation location, examine the packaging for damages.
• Do not move the product by the cables, terminal box, fan impeller, protection grille, inlet cone or silencer.
• If lifting equipment is used, make sure that the lifting equipment can hold the weight of the product. Refer to the name plate for information. Do not lift the product by the packaging.

Warning
Do not walk below a lifted product.

• Keep the correct side of the packaging up during transportation. Refer to the arrows on the packaging.
• Load and unload the product carefully.
• Keep the product in a dry and clean location during storage. Make sure that the ambient temperature during storage is between –10 and +30 °C. A stable ambient temperature prevents damage from condensation.
• Keep the product in storage for maximum 1 year.
• Turn the fan impeller manually each 3 months. Wear approved protective gloves.

Installation

To do before the installation of the product

• Make sure that you have the necessary installation accessories:
  • Refer to 14 Accessory overview page 19 for an overview of the accessories.
  • To decrease vibrations transmitted from the product to the duct system, Systemair recommends to install flexible connections.
  • If you install the product with free suction it is necessary to install a protection grille. Make sure that the safety distance agrees with the standard DIN EN ISO 13857 and the standard DIN 24167–1.
• Use installation material with fire resistance rating for the installation location.
• Examine the packaging for transportation damage and remove the packaging from the product carefully.
• Examine the product and all components for damage.
• Make sure that the motor effect and the fan performance agrees with the expectations at the installation location.
• Make sure that the information on the name plate and the motor name plate agrees with the operation conditions.
• Install the product in a location where there is space for commissioning, troubleshooting and maintenance.
• Make sure that the installation location is clean and dry, for full safety during electrical work.
• Make sure that the installation surface has sufficient capacity to hold the weight of the product.
• Refer to the airflow direction arrows on the name plate or on the product to install the product in the correct position.
• Make sure that all cable glands are tight against the cables to prevent leaks.

To install the product

1. Systemair recommends to install the product together with roof curb.
   Put the supplied temperature resistant sealing tape on the contact surface between base plate and the roof.

2. Install the fan on the roof curb with 1 screw in each corner of the fan base plate.

3. Install the roof curb on the roof in accordance with applicable building standards and connect the fan to a duct system.
   Warning
   The installation of cables must ensure uninterrupted power supply in case of fire or extreme heat. Use cable protection made of temperature resistant material if necessary. Do not run any cables on the fan casing as the fan casing will have high temperature during smoke or heat extraction.
   Note :
   Make sure that the power supply cable is sufficiently long for the swing out casing (size 355-450) to open.

4. For DVG-V, install the supplied vertical outlets.
   a. Remove the 3 screws (A).
   B. Put the vertical outlet (B) in the correct position on the product.
   C. Install the 3 screws (A).
   D. Do these steps again on the opposite side of the product.

To open a product with swing out casing, size 355-450

1. Loosen the screws that holds the swing out bar. Refer to product overview.
2. Turn the fan casing upwards from the bottom plate.
3. Install the swing out bar with screws in the screw holes.

Note :
To prevent condensation in cold corners, keep the fan in constant operation.

To connect the duct to the product

Note :
Install the product so that unwanted vibrations are not transmitted to duct system or roof beams.

Note :
Systemair recommends to install the product together with a roof curb. The roof curb is available as an accessory.

Note :
Make sure that the installation location has space for maintenance, and that the roof joints can hold the weight of the product.

Note :
Make sure that the height of the roof curb is a minimum of 250 mm above the rooftop to prevent snow to cover the fan.

Note :
Obey local laws and regulations for installation of the roof curb on the roof.

Caution
Do not install the fan in areas where the fan is at risk of very bad wind.

Caution
Make sure that the installation location is not inside a fire zone.

1. Install the service switch on the fan casing with 4 screws.

Warning
If there is risk of unintentional switch off of the service switch, the switch should be locked to guarantee operation in case of fire.

2. To lock the service switch: drill a hole into the service switch handle when it is in the “on-position” and install a padlock. Padlock is not supplied by systemair.

Note :
Systemair recommends to use flexible connections to attach the duct to the product. Flexible connections are available as accessories.

3. Install the flexible connection with M8 screws.

Note :
Make sure that the flexible connection complies with temperature class (400 °C/120 min) if the product is used for extraction of smoke or hot gases.
Note :
If the fan is used for smoke extraction, use temperature resistant sealing tape, nuts, and washers.

4. If you install the product near a duct bend, do these steps to prevent vibrations, unwanted noise and decreased air pressure:
   A. Measure the distance (A) between the product and the duct bend.
   B. Make sure that the distance (A) is a minimum of 2.5 x the diameter (B) of the duct system. For circular ducts, (B) is the nominal diameter. For rectangular ducts, (B) is the hydraulic diameter.

Fire mode

• The product has a built in controller with fire mode function. The product has possibility to activate foremove MAX as default.
• All alarms in the controller are ignored during an active fire mode MAX. The fan will operate on maximum speed until motor failure or until the electric supply to the EC controller is broken.
• The fire mode function is activated via digital input on the EC controller (open contact ► foremove ON).
• Reset of fire more function with digital input (close contact ►fire mode OFF) and cut off supply for ~ 2 min.
• For more information about the EC controller or MODBUS control, refer to wiring diagram and separate instruction for the EC controller. The manual for the EC controller can be found systemair.com.

Warning
The fire mode function must be tested, and a written test report must be included in the commissioning report.

Note :
The product can be ordered set with customer specific settings from factory, for example 0-10V speed control in fire mode. Speak to your local Systemair office for more information about control settings.

Differential pressure monitoring

The product can be delivered with tubes for monitoring of the differential pressure between the fan nozzle and the ventilated area. The K factor for differential pressure mentoring is presented in the table below.
For more information, speak to your local Systemair office.

Calculate the airflow as follows:
dp = p2-p1 Air volume = k*SQRT(dp) in m3/h

Note :
The measured pressure difference may be influenced by used accessories and duct. The K -factor is usable over 50% max. airflow each fan size.

Electrical connection

To do before the electrical connection

• Make sure that the electrical connection agrees with the product specification on the motor name plate.
• Make sure that the environment for electrical connection is clean and dry.
• Make sure that the wiring diagram that is included with the supply of the product agrees with the terminals in the connection box.

Warning
The installation of cables must ensure uninterrupted power supply in case of fire or extreme heat. Use cable protection made of temperature resistant material if necessary. Do not run any cables on the fan casing as the fan casing will have high temperature during smoke or heat extraction.

To connect the product to the power supply

• Complete the electrical connection for the motor. Refer to the motor wiring diagram that is included with the product.
• Make sure that the cross section of the protective earthing is equal to or larger than the cross section of the phase conductor.
• Install a circuit breaker in the permanent electrical installation, with a contact opening of a minimum 3 mm at each pole.
• If a residual current device (RCD) is installed, make sure that it is an all-current sensitive RCD. Consider if the product has a frequency converter, uninterruptible power supply (UPS), or an EC motor. EC motors have a leakage current to earth that is <=3.5 mA.
• If there is a risk that the service switch is accidentally set to OFF, lock the service switch. To lock the service switch, drill a hole into the handle in the ON position and put a padlock in the hole. The lock makes sure that the fan operates if there is a fire.

Speed controller for EC motors

• EC motors are controlled through a stepless 0–10 V signal.
• Do not use power supply for the speed controller.
• Refer to the supplied wiring diagrams and the instruction manual for the external speed controller.

Motor protection for EC motors

EC motors have an integrated motor protection.

Commissioning

Caution
• If strong vibrations occur during commissioning, immediately increase or decrease the fan speed until the vibrations are decreased. Continuous strong vibrations can cause damage to components.
• Do not increase the fan speed to a higher rpm value than the maximum value that is given on the name plate.

The commissioning report is found at www.systemair.com.

To do before the commissioning

• Make sure that the installation and electrical connection are correctly done.
• Visually examine the product and accessories for damage.
• Make sure that the safety devices are correctly installed.
• Make sure that there are no blockages in the air inlet and the air outlet.
• Make sure that installation material and unwanted objects are removed from the product and the ducts.

To do the commissioning

1. Set the installed safety switch in the OFF position.

2. If it is possible to get access to the fan impeller, do the steps that follows:
   A. If it is necessary, remove parts of the installation.
   B. Turn the fan impeller by hand and make sure that it turn easily.
   C. Record the result in the commissioning report.

3. Make sure to turn the product in a direction that agrees with the related arrow on the product.
   A. Record the result in the commissioning report.

4. If you removed parts of the installation to get access to the fan impeller, install the removed parts again.

5. Set the installed safety switch in the ON position.

6. Start the product.

7. Set the minimum operation speed.

8. Increase the operation speed gradually to the maximum operation speed.
   A. Examine the vibrations in the casing and the bearing areas at all speed levels.
   B. Make sure that the vibrations agree with the specifications in DIN ISO

9. C. Make sure that none of the speed levels cause unwanted noise in the product.
   D. Record the result in the commissioning report.
   E. Do a test of the fire mode function.

10. Record the necessary data in the commissioning report.

Operation

Caution
EC motors must be set to ON/OFF via the control input. To stop the product via mains supply decreases the life time of the motor. Systemair recommends to install external speed controller for easy access to control the input signal.

To start a product with an EC motor

1. Make sure that the 0–10 V signal is set to “0” with the speed controller.
2. Set the installed safety switch in the ON position and wait 5 seconds.
3. Adjust the fan speed with the 0–10 V signal speed controller. .

To stop the product

1. Set the installed speed controller in the OFF position. Refer to the instruction manual for the installed speed controller.
2. Set the installed safety switch in the OFF position.

To stop the product in an  emergency

• Set the installed safety switch in the OFF position.

Maintenance

Warning
Set the installed safety switch in the OFF position before you do the maintenance unless the instructions tell you differently. Make sure that the safety switch is not accidentally set in the ON position.

Maintenance schedule

The intervals are calculated from continuous operation of the product.

Maintenance task| Usual operation conditions| Unusual operation conditions 1
---|---|---
Each 6 months| Each year| Each 3 months| Each 6 months| Each year
Visually examine the product and its components for damage, corrosion and dirt.| | X| | X|
Examine the fan impeller for damage and imbalance.| | X| | X|
Clean the product and the ventilation system.| X| | X| |
Do a check of all fasteners and make sure that they are fully tightened.| | X| | | X
Make sure that the product and its components are correctly operated.| X| | | X|
Measure the power consumption and compare the result with the information on the name plate.| | X| | X|
Make sure that the electrical protective equipment and the mechanical protective equipment operates correctly.| | X| | | X
Make sure that you can read the name plates of the product.| | X| | X|
Examine all cable connections for damage. Make sure that the cable glands are tight against the cables.| | X| | | X
If flexible connections are installed, examine them for damage.| X| | | X|

1. The unusual operation conditions are classified as follow: If a stable ambient temperature is higher than 30°C or lower than -10°C, if the   temperature changes are large or if very contaminated air is transported.

To clean the product

Caution

• Do not clean the product with a high-pressure washer.
• Do not clean the product with steel brushes or sharp objects.
• Do not bend the fan impeller blades.
• Be careful not to move the balance weights on the fan impeller.
• Remove dirt from the fan and the duct.
• If access to the fan impeller is possible, clean the fan impeller with a moist cloth or soft brush.
• Clean the fan impeller and casing regularly

Spare Parts

• For information about spare parts, send an e-mail to support@systemair.com.
• For more information about spare parts, contact Systemair support.
• Always use spare parts from Systemair.
• When you send an order for spare parts, include the serial number of the product. The serial number is found on the name plate.

Troubleshooting

Note :
If you cannot find a solution to your problem in this section, speak to Systemair technical support

r   to 9�2 To clean the product page 9 �
The fan impeller has damages or deformations because the trans- ported air contains aggressive media�| Speak to Systemair technical support�
The fan impeller does not turn in the correct direction�| Speak to Systemair technical support�
There are unusually strong vibrations in the product or the duct system�| Make sure that the product is correctly installed� Do a check of the duct system�
The product is operated in a resonant frequency range�| Increase or decrease the fan speed until the product operates smoothly� Refe r to 7 Commissioning page 8�
The air output is not sufficient.| The fan impeller does not turn in the correct direction�| Speak to Systemair technical support�
The electrical connection is not correctly done�| Make sure that the electrical connec- tion agrees with the wiring diagrams�
The air pressure is too low because of incorrect installation�| Do the necessary changes in the duct system and installed components to increase the air pressure� Refer to 7   Commissioning page 8 �
The airflow shutters are closed or not

fully open�

| Adjust the airflow shutters.
There is blockage in the air inlet or the duct system�| Remove the blockage�
The product is not applicable for the installation location�| Make sure that the product is applica- ble for the installation location�
There is unusual noise when the product starts or operates�| There is strain in the connections of the duct system�| Loosen the connections, align the parts of the duct system correctly and tighten the connections�
Problem| Cause| Solution
---|---|---
Overheated motor�| The fan impeller does not turn in the correct direction�| Speak to Systemair technical support�
A phase loss occurred�| If the motor is a 3-phase motor, make sure that no phase is missing�
Motor damage�| If it is possible, measure the resistance to do a check of the motor winding�
There is blockage in the motor�| Speak to Systemair technical support�
The fan speed does not get the nominal value�| Defective motor winding�| If it is possible, measure the resistance to do a check of the motor winding�

Refer to table:

Note:

Disconnect power supply. Let the motor cool down to ambient tempera- ture� Measure the resistance at the free ends of the motor cable� All 3 measured resistances should be equal and in the range as in the table above� Otherwise, the motor is damaged�

The speed control is not correctly set�| Set the speed control correctly�
The fan impeller cannot turn freely because of mechanical blockage�| Remove the blockage�
Phase loss occurs�| If the motor is a 3-phase motor, make sure that no phase is missing�
The motor does not rotate�| A component in the power supply is defective�| Do a check of the power supply� Replace defective components and connect the power supply again�
The electrical connection is not correctly done�| Make sure that the electrical connec- tion agrees with the wiring diagrams�
A phase loss occurred�| If the motor is a 3-phase motor, make sure that no phase is missing�
Overheated electronic component| The ambient temperature is too high�| Make sure that the product is applicable for the installation location�

Disposal

The product follows the WEEE directive. This symbol on the product or the packaging of the product shows that this product is not domestic waste. The product must be recycled at an approved disposal location for electrical and electronic equipment.

To disassemble and discard the parts of the product

1. Disconnect and disassemble the product in the opposite sequence of electrical connection and installation.
2. Recycle the product parts and the packaging at an applicable disposal location.
3. Obey the local and national requirements for disposal.

Warranty

For warranty claims, send a written maintenance plan and the commissioning report to Systemair. The warranty is only applicable for these conditions:

• The product is correctly installed and operated.
• The instructions in the data sheets are obeyed.
• Maintenance instructions are obeyed.
• A product that is not operated continuously is operated for a minimum of 1 hour each month.

Technical data

Technical data overview

Electrical data| Refer to the name plate� Refer to 1 � 5 Name plate page 2 for more information�
---|---
Other data| Refer to the data sheet in the online catalogue at www�systemair�com�

Product dimensions

Product dimensions for DVG-H

Note :
If the unit of measure is not specified, the dimensions are given in millimetres.

| ØA| ØB| ØC| D| E| F| ØG| ØH| Ø I| ØJ| K| L
---|---|---|---|---|---|---|---|---|---|---|---|---
DVG-H 355| 6XM8| 438| 12| 450| 30| 598| 224| 310| 400| 240| 708| 486
DVG-H 450| 6XM8| 438| 12| 535| 30| 668| 286| 379| 400| 240| 857| 541
DVG-H 560| 12XM8| 620| 14| 750| 30| 943| 361| 450| 560| 240| 1078| 653
---|---|---|---|---|---|---|---|---|---|---|---|---
DVG-H 630| 12XM8| 690| 14| 840| 40| 1039| 451| 570| 630| 240| 1072| 678
DVG-H 800| 16XM8| 860| 14| 1050| 40| 1255| 581| 690| 800| 240| 1280| 803

Product dimensions for DVG-V

| ØA| ØB| ØC| D| E| F| ØG| ØH| Ø I| ØJ| K| L
---|---|---|---|---|---|---|---|---|---|---|---|---
DVG-V 355| 6XM8| 438| 12| 450| 30| 598| 224| 310| 400| 240| 1003| 486
DVG-V 450| 6XM8| 438| 12| 535| 30| 668| 286| 379| 400| 240| 1261| 541
DVG-V 560| 12XM8| 620| 14| 750| 30| 943| 361| 450| 560| 240| 1540| 653
DVG-V 630| 12XM8| 690| 14| 840| 40| 1039| 451| 570| 630| 240| 1573| 678
DVG-V 800| 16XM8| 860| 14| 1050| 40| 1255| 581| 690| 800| 240| 2024| 803

Wiring diagrams

Wiring diagram for 1–phase fan

A. RJ12 MODBUS Slave e.g. HTERM
B. RJ12 MODBUS Slave e.g. PC-TOOL
C. RJ12 MODBUS Master FUTURE USE
D. Motor
E. MODBUS
F. Control signals
G. Open collector
H. Safety switch
I. Relay module (serially since September 2022)

• Max 30VAC/24VDC/1A
  R1 Relay 1; Running
  R2 Relay 2; Alarm

Wiring diagram for 3–phase fan

J. RJ12 MODBUS Slave e.g. HTERM
K. RJ12 MODBUS Slave e.g. PC-TOOL
L. RJ12 MODBUS Master FUTURE USE
M. Motor
N. MODBUS
O. Control signals
P. Open collector
Q. Safety switch
R. Relay modul (serially since September 2022)

• Max 30VAC/24VDC/1A
  R1 Relay 1; Running
  R2 Relay 2; Alarm

Wiring diagrams for speed controllers for EC motors

Accessory overview

1. FDG/F roof curb
2. FDGE/F roof curb
3. SSGE/F silencer
4. SSG/F silencer
5. ASG/F inflow box
6. VKG/F shutter
7. ASFV flange
8. ASSG/F flexible connection
9. ESDG inlet cone

Note :
For more information about accessories, refer to www.systemair.com or speak to Systemair technical support.

EU Declaration of Conformity

SI-2000 Maribor Slovenia

Product designation| Roof fans
Type/Model| Smoke and heat extract fans DVG-H/F400, DVG-V/F400, sizes 315, 355, 400, 450, 500, 560, 630, 800
Identification| Serial numbers dating from 2022 and onwards

The manufacturer declares that the above mentioned products in their design and construction and the version  marketed by the company comply with the harmonization/ legislation that follow:

assessment and risk reduction
EN ISO 13857| Safety of machinery – Safety distances to prevent hazard zones being reached by upper and lower limbs
EN 60204-1| Safety of machinery – Electrical equipment of machines – Part 1: General requirements
EN 12101-3 (F400 fans only)| Smoke and heat control systems – part 3: Specification for powered smoke and

heat exhaust ventilators

Note :
The compliance with EC Machinery Directive and EN ISO 13857 refers to the mounted protective guards on the inlet of the fan, as far they are in the extent of delivery. For the fully accordance with mentioned requirements (protective guards or safety assurance in other way) the performer is responsible.

Note :
Compliance with EMC Directive 2014/30/EC only relates to this product if it has been connected directly to the customary electricity mains. If this product is integrated into a system or completed and operated with other components (e.g. regulation and control appliances), the manufacturer or operator of the overall system is responsible for compliance with EMC Directive 2014/30/EC.

Maribor,
14.09.2022
Igor Zorko, Fans development

Anton Zupančič, Director

CUSTOMER SUPPORT

Systemair d.o.o.
Špelina 2
SI-2000 Maribor
Tel.: +386 2 4601 801
info@systemair.si
www.systemair.com

© Copyright Systemair AB
All rights reserved
E&OE
Systemair AB reserves the rights to alter their products without notice. This also applies to products already ordered, as long as it
does not affect the previously agreed specifications.

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